gloss-ios/HexColor.swift

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2024-05-16 12:49:27 -07:00
//
// HexColor.swift
// gloss
//
// Created by Saint on 5/16/24.
//
import Foundation
import SwiftUI
extension Color {
init(hex: String) {
let hex = hex.trimmingCharacters(in: CharacterSet.alphanumerics.inverted)
var int: UInt64 = 0
Scanner(string: hex).scanHexInt64(&int)
let a, r, g, b: UInt64
switch hex.count {
case 3: // RGB (12-bit)
(a, r, g, b) = (255, (int >> 8) * 17, (int >> 4 & 0xF) * 17, (int & 0xF) * 17)
case 6: // RGB (24-bit)
(a, r, g, b) = (255, int >> 16, int >> 8 & 0xFF, int & 0xFF)
case 8: // ARGB (32-bit)
(a, r, g, b) = (int >> 24, int >> 16 & 0xFF, int >> 8 & 0xFF, int & 0xFF)
default:
(a, r, g, b) = (1, 1, 1, 0)
}
self.init(
.sRGB,
red: Double(r) / 255,
green: Double(g) / 255,
blue: Double(b) / 255,
opacity: Double(a) / 255
)
}
}